{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["conjunction", "used for", "evaluate for", "feature of"], "input": "In contrast to other works that address this problem using multiple classifiers , each one specialized for a specific orientation , we propose a simple two-step approach with an estimation stage and a classification stage ."}
{"conjunction": [{"subject": "estimation stage", "object": "classification stage"}], "used for": [], "evaluate for": [], "feature of": []}